1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) 2015 Linaro Ltd.
4 * Copyright (c) 2015 Hisilicon Limited.
8 #define DRV_NAME "hisi_sas_v1_hw"
10 /* global registers need init*/
11 #define DLVRY_QUEUE_ENABLE 0x0
12 #define IOST_BASE_ADDR_LO 0x8
13 #define IOST_BASE_ADDR_HI 0xc
14 #define ITCT_BASE_ADDR_LO 0x10
15 #define ITCT_BASE_ADDR_HI 0x14
16 #define BROKEN_MSG_ADDR_LO 0x18
17 #define BROKEN_MSG_ADDR_HI 0x1c
18 #define PHY_CONTEXT 0x20
19 #define PHY_STATE 0x24
20 #define PHY_PORT_NUM_MA 0x28
21 #define PORT_STATE 0x2c
22 #define PHY_CONN_RATE 0x30
23 #define HGC_TRANS_TASK_CNT_LIMIT 0x38
24 #define AXI_AHB_CLK_CFG 0x3c
25 #define HGC_SAS_TXFAIL_RETRY_CTRL 0x84
26 #define HGC_GET_ITV_TIME 0x90
27 #define DEVICE_MSG_WORK_MODE 0x94
28 #define I_T_NEXUS_LOSS_TIME 0xa0
29 #define BUS_INACTIVE_LIMIT_TIME 0xa8
30 #define REJECT_TO_OPEN_LIMIT_TIME 0xac
31 #define CFG_AGING_TIME 0xbc
32 #define CFG_AGING_TIME_ITCT_REL_OFF 0
33 #define CFG_AGING_TIME_ITCT_REL_MSK (0x1 << CFG_AGING_TIME_ITCT_REL_OFF)
34 #define HGC_DFX_CFG2 0xc0
35 #define FIS_LIST_BADDR_L 0xc4
36 #define CFG_1US_TIMER_TRSH 0xcc
37 #define CFG_SAS_CONFIG 0xd4
38 #define HGC_IOST_ECC_ADDR 0x140
39 #define HGC_IOST_ECC_ADDR_BAD_OFF 16
40 #define HGC_IOST_ECC_ADDR_BAD_MSK (0x3ff << HGC_IOST_ECC_ADDR_BAD_OFF)
41 #define HGC_DQ_ECC_ADDR 0x144
42 #define HGC_DQ_ECC_ADDR_BAD_OFF 16
43 #define HGC_DQ_ECC_ADDR_BAD_MSK (0xfff << HGC_DQ_ECC_ADDR_BAD_OFF)
44 #define HGC_INVLD_DQE_INFO 0x148
45 #define HGC_INVLD_DQE_INFO_DQ_OFF 0
46 #define HGC_INVLD_DQE_INFO_DQ_MSK (0xffff << HGC_INVLD_DQE_INFO_DQ_OFF)
47 #define HGC_INVLD_DQE_INFO_TYPE_OFF 16
48 #define HGC_INVLD_DQE_INFO_TYPE_MSK (0x1 << HGC_INVLD_DQE_INFO_TYPE_OFF)
49 #define HGC_INVLD_DQE_INFO_FORCE_OFF 17
50 #define HGC_INVLD_DQE_INFO_FORCE_MSK (0x1 << HGC_INVLD_DQE_INFO_FORCE_OFF)
51 #define HGC_INVLD_DQE_INFO_PHY_OFF 18
52 #define HGC_INVLD_DQE_INFO_PHY_MSK (0x1 << HGC_INVLD_DQE_INFO_PHY_OFF)
53 #define HGC_INVLD_DQE_INFO_ABORT_OFF 19
54 #define HGC_INVLD_DQE_INFO_ABORT_MSK (0x1 << HGC_INVLD_DQE_INFO_ABORT_OFF)
55 #define HGC_INVLD_DQE_INFO_IPTT_OF_OFF 20
56 #define HGC_INVLD_DQE_INFO_IPTT_OF_MSK (0x1 << HGC_INVLD_DQE_INFO_IPTT_OF_OFF)
57 #define HGC_INVLD_DQE_INFO_SSP_ERR_OFF 21
58 #define HGC_INVLD_DQE_INFO_SSP_ERR_MSK (0x1 << HGC_INVLD_DQE_INFO_SSP_ERR_OFF)
59 #define HGC_INVLD_DQE_INFO_OFL_OFF 22
60 #define HGC_INVLD_DQE_INFO_OFL_MSK (0x1 << HGC_INVLD_DQE_INFO_OFL_OFF)
61 #define HGC_ITCT_ECC_ADDR 0x150
62 #define HGC_ITCT_ECC_ADDR_BAD_OFF 16
63 #define HGC_ITCT_ECC_ADDR_BAD_MSK (0x3ff << HGC_ITCT_ECC_ADDR_BAD_OFF)
64 #define HGC_AXI_FIFO_ERR_INFO 0x154
65 #define INT_COAL_EN 0x1bc
66 #define OQ_INT_COAL_TIME 0x1c0
67 #define OQ_INT_COAL_CNT 0x1c4
68 #define ENT_INT_COAL_TIME 0x1c8
69 #define ENT_INT_COAL_CNT 0x1cc
70 #define OQ_INT_SRC 0x1d0
71 #define OQ_INT_SRC_MSK 0x1d4
72 #define ENT_INT_SRC1 0x1d8
73 #define ENT_INT_SRC2 0x1dc
74 #define ENT_INT_SRC2_DQ_CFG_ERR_OFF 25
75 #define ENT_INT_SRC2_DQ_CFG_ERR_MSK (0x1 << ENT_INT_SRC2_DQ_CFG_ERR_OFF)
76 #define ENT_INT_SRC2_CQ_CFG_ERR_OFF 27
77 #define ENT_INT_SRC2_CQ_CFG_ERR_MSK (0x1 << ENT_INT_SRC2_CQ_CFG_ERR_OFF)
78 #define ENT_INT_SRC2_AXI_WRONG_INT_OFF 28
79 #define ENT_INT_SRC2_AXI_WRONG_INT_MSK (0x1 << ENT_INT_SRC2_AXI_WRONG_INT_OFF)
80 #define ENT_INT_SRC2_AXI_OVERLF_INT_OFF 29
81 #define ENT_INT_SRC2_AXI_OVERLF_INT_MSK (0x1 << ENT_INT_SRC2_AXI_OVERLF_INT_OFF)
82 #define ENT_INT_SRC_MSK1 0x1e0
83 #define ENT_INT_SRC_MSK2 0x1e4
84 #define SAS_ECC_INTR 0x1e8
85 #define SAS_ECC_INTR_DQ_ECC1B_OFF 0
86 #define SAS_ECC_INTR_DQ_ECC1B_MSK (0x1 << SAS_ECC_INTR_DQ_ECC1B_OFF)
87 #define SAS_ECC_INTR_DQ_ECCBAD_OFF 1
88 #define SAS_ECC_INTR_DQ_ECCBAD_MSK (0x1 << SAS_ECC_INTR_DQ_ECCBAD_OFF)
89 #define SAS_ECC_INTR_IOST_ECC1B_OFF 2
90 #define SAS_ECC_INTR_IOST_ECC1B_MSK (0x1 << SAS_ECC_INTR_IOST_ECC1B_OFF)
91 #define SAS_ECC_INTR_IOST_ECCBAD_OFF 3
92 #define SAS_ECC_INTR_IOST_ECCBAD_MSK (0x1 << SAS_ECC_INTR_IOST_ECCBAD_OFF)
93 #define SAS_ECC_INTR_ITCT_ECC1B_OFF 4
94 #define SAS_ECC_INTR_ITCT_ECC1B_MSK (0x1 << SAS_ECC_INTR_ITCT_ECC1B_OFF)
95 #define SAS_ECC_INTR_ITCT_ECCBAD_OFF 5
96 #define SAS_ECC_INTR_ITCT_ECCBAD_MSK (0x1 << SAS_ECC_INTR_ITCT_ECCBAD_OFF)
97 #define SAS_ECC_INTR_MSK 0x1ec
98 #define HGC_ERR_STAT_EN 0x238
99 #define DLVRY_Q_0_BASE_ADDR_LO 0x260
100 #define DLVRY_Q_0_BASE_ADDR_HI 0x264
101 #define DLVRY_Q_0_DEPTH 0x268
102 #define DLVRY_Q_0_WR_PTR 0x26c
103 #define DLVRY_Q_0_RD_PTR 0x270
104 #define COMPL_Q_0_BASE_ADDR_LO 0x4e0
105 #define COMPL_Q_0_BASE_ADDR_HI 0x4e4
106 #define COMPL_Q_0_DEPTH 0x4e8
107 #define COMPL_Q_0_WR_PTR 0x4ec
108 #define COMPL_Q_0_RD_PTR 0x4f0
109 #define HGC_ECC_ERR 0x7d0
111 /* phy registers need init */
112 #define PORT_BASE (0x800)
114 #define PHY_CFG (PORT_BASE + 0x0)
115 #define PHY_CFG_ENA_OFF 0
116 #define PHY_CFG_ENA_MSK (0x1 << PHY_CFG_ENA_OFF)
117 #define PHY_CFG_DC_OPT_OFF 2
118 #define PHY_CFG_DC_OPT_MSK (0x1 << PHY_CFG_DC_OPT_OFF)
119 #define PROG_PHY_LINK_RATE (PORT_BASE + 0xc)
120 #define PROG_PHY_LINK_RATE_MAX_OFF 0
121 #define PROG_PHY_LINK_RATE_MAX_MSK (0xf << PROG_PHY_LINK_RATE_MAX_OFF)
122 #define PROG_PHY_LINK_RATE_MIN_OFF 4
123 #define PROG_PHY_LINK_RATE_MIN_MSK (0xf << PROG_PHY_LINK_RATE_MIN_OFF)
124 #define PROG_PHY_LINK_RATE_OOB_OFF 8
125 #define PROG_PHY_LINK_RATE_OOB_MSK (0xf << PROG_PHY_LINK_RATE_OOB_OFF)
126 #define PHY_CTRL (PORT_BASE + 0x14)
127 #define PHY_CTRL_RESET_OFF 0
128 #define PHY_CTRL_RESET_MSK (0x1 << PHY_CTRL_RESET_OFF)
129 #define PHY_RATE_NEGO (PORT_BASE + 0x30)
130 #define PHY_PCN (PORT_BASE + 0x44)
131 #define SL_TOUT_CFG (PORT_BASE + 0x8c)
132 #define SL_CONTROL (PORT_BASE + 0x94)
133 #define SL_CONTROL_NOTIFY_EN_OFF 0
134 #define SL_CONTROL_NOTIFY_EN_MSK (0x1 << SL_CONTROL_NOTIFY_EN_OFF)
135 #define TX_ID_DWORD0 (PORT_BASE + 0x9c)
136 #define TX_ID_DWORD1 (PORT_BASE + 0xa0)
137 #define TX_ID_DWORD2 (PORT_BASE + 0xa4)
138 #define TX_ID_DWORD3 (PORT_BASE + 0xa8)
139 #define TX_ID_DWORD4 (PORT_BASE + 0xaC)
140 #define TX_ID_DWORD5 (PORT_BASE + 0xb0)
141 #define TX_ID_DWORD6 (PORT_BASE + 0xb4)
142 #define RX_IDAF_DWORD0 (PORT_BASE + 0xc4)
143 #define RX_IDAF_DWORD1 (PORT_BASE + 0xc8)
144 #define RX_IDAF_DWORD2 (PORT_BASE + 0xcc)
145 #define RX_IDAF_DWORD3 (PORT_BASE + 0xd0)
146 #define RX_IDAF_DWORD4 (PORT_BASE + 0xd4)
147 #define RX_IDAF_DWORD5 (PORT_BASE + 0xd8)
148 #define RX_IDAF_DWORD6 (PORT_BASE + 0xdc)
149 #define RXOP_CHECK_CFG_H (PORT_BASE + 0xfc)
150 #define DONE_RECEIVED_TIME (PORT_BASE + 0x12c)
151 #define CON_CFG_DRIVER (PORT_BASE + 0x130)
152 #define PHY_CONFIG2 (PORT_BASE + 0x1a8)
153 #define PHY_CONFIG2_FORCE_TXDEEMPH_OFF 3
154 #define PHY_CONFIG2_FORCE_TXDEEMPH_MSK (0x1 << PHY_CONFIG2_FORCE_TXDEEMPH_OFF)
155 #define PHY_CONFIG2_TX_TRAIN_COMP_OFF 24
156 #define PHY_CONFIG2_TX_TRAIN_COMP_MSK (0x1 << PHY_CONFIG2_TX_TRAIN_COMP_OFF)
157 #define CHL_INT0 (PORT_BASE + 0x1b0)
158 #define CHL_INT0_PHYCTRL_NOTRDY_OFF 0
159 #define CHL_INT0_PHYCTRL_NOTRDY_MSK (0x1 << CHL_INT0_PHYCTRL_NOTRDY_OFF)
160 #define CHL_INT0_SN_FAIL_NGR_OFF 2
161 #define CHL_INT0_SN_FAIL_NGR_MSK (0x1 << CHL_INT0_SN_FAIL_NGR_OFF)
162 #define CHL_INT0_DWS_LOST_OFF 4
163 #define CHL_INT0_DWS_LOST_MSK (0x1 << CHL_INT0_DWS_LOST_OFF)
164 #define CHL_INT0_SL_IDAF_FAIL_OFF 10
165 #define CHL_INT0_SL_IDAF_FAIL_MSK (0x1 << CHL_INT0_SL_IDAF_FAIL_OFF)
166 #define CHL_INT0_ID_TIMEOUT_OFF 11
167 #define CHL_INT0_ID_TIMEOUT_MSK (0x1 << CHL_INT0_ID_TIMEOUT_OFF)
168 #define CHL_INT0_SL_OPAF_FAIL_OFF 12
169 #define CHL_INT0_SL_OPAF_FAIL_MSK (0x1 << CHL_INT0_SL_OPAF_FAIL_OFF)
170 #define CHL_INT0_SL_PS_FAIL_OFF 21
171 #define CHL_INT0_SL_PS_FAIL_MSK (0x1 << CHL_INT0_SL_PS_FAIL_OFF)
172 #define CHL_INT1 (PORT_BASE + 0x1b4)
173 #define CHL_INT2 (PORT_BASE + 0x1b8)
174 #define CHL_INT2_SL_RX_BC_ACK_OFF 2
175 #define CHL_INT2_SL_RX_BC_ACK_MSK (0x1 << CHL_INT2_SL_RX_BC_ACK_OFF)
176 #define CHL_INT2_SL_PHY_ENA_OFF 6
177 #define CHL_INT2_SL_PHY_ENA_MSK (0x1 << CHL_INT2_SL_PHY_ENA_OFF)
178 #define CHL_INT0_MSK (PORT_BASE + 0x1bc)
179 #define CHL_INT0_MSK_PHYCTRL_NOTRDY_OFF 0
180 #define CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK (0x1 << CHL_INT0_MSK_PHYCTRL_NOTRDY_OFF)
181 #define CHL_INT1_MSK (PORT_BASE + 0x1c0)
182 #define CHL_INT2_MSK (PORT_BASE + 0x1c4)
183 #define CHL_INT_COAL_EN (PORT_BASE + 0x1d0)
184 #define DMA_TX_STATUS (PORT_BASE + 0x2d0)
185 #define DMA_TX_STATUS_BUSY_OFF 0
186 #define DMA_TX_STATUS_BUSY_MSK (0x1 << DMA_TX_STATUS_BUSY_OFF)
187 #define DMA_RX_STATUS (PORT_BASE + 0x2e8)
188 #define DMA_RX_STATUS_BUSY_OFF 0
189 #define DMA_RX_STATUS_BUSY_MSK (0x1 << DMA_RX_STATUS_BUSY_OFF)
191 #define AXI_CFG 0x5100
192 #define RESET_VALUE 0x7ffff
194 /* HW dma structures */
195 /* Delivery queue header */
197 #define CMD_HDR_RESP_REPORT_OFF 5
198 #define CMD_HDR_RESP_REPORT_MSK 0x20
199 #define CMD_HDR_TLR_CTRL_OFF 6
200 #define CMD_HDR_TLR_CTRL_MSK 0xc0
201 #define CMD_HDR_PORT_OFF 17
202 #define CMD_HDR_PORT_MSK 0xe0000
203 #define CMD_HDR_PRIORITY_OFF 27
204 #define CMD_HDR_PRIORITY_MSK 0x8000000
205 #define CMD_HDR_MODE_OFF 28
206 #define CMD_HDR_MODE_MSK 0x10000000
207 #define CMD_HDR_CMD_OFF 29
208 #define CMD_HDR_CMD_MSK 0xe0000000
210 #define CMD_HDR_VERIFY_DTL_OFF 10
211 #define CMD_HDR_VERIFY_DTL_MSK 0x400
212 #define CMD_HDR_SSP_FRAME_TYPE_OFF 13
213 #define CMD_HDR_SSP_FRAME_TYPE_MSK 0xe000
214 #define CMD_HDR_DEVICE_ID_OFF 16
215 #define CMD_HDR_DEVICE_ID_MSK 0xffff0000
217 #define CMD_HDR_CFL_OFF 0
218 #define CMD_HDR_CFL_MSK 0x1ff
219 #define CMD_HDR_MRFL_OFF 15
220 #define CMD_HDR_MRFL_MSK 0xff8000
221 #define CMD_HDR_FIRST_BURST_OFF 25
222 #define CMD_HDR_FIRST_BURST_MSK 0x2000000
224 #define CMD_HDR_IPTT_OFF 0
225 #define CMD_HDR_IPTT_MSK 0xffff
227 #define CMD_HDR_DATA_SGL_LEN_OFF 16
228 #define CMD_HDR_DATA_SGL_LEN_MSK 0xffff0000
230 /* Completion header */
231 #define CMPLT_HDR_IPTT_OFF 0
232 #define CMPLT_HDR_IPTT_MSK (0xffff << CMPLT_HDR_IPTT_OFF)
233 #define CMPLT_HDR_CMD_CMPLT_OFF 17
234 #define CMPLT_HDR_CMD_CMPLT_MSK (0x1 << CMPLT_HDR_CMD_CMPLT_OFF)
235 #define CMPLT_HDR_ERR_RCRD_XFRD_OFF 18
236 #define CMPLT_HDR_ERR_RCRD_XFRD_MSK (0x1 << CMPLT_HDR_ERR_RCRD_XFRD_OFF)
237 #define CMPLT_HDR_RSPNS_XFRD_OFF 19
238 #define CMPLT_HDR_RSPNS_XFRD_MSK (0x1 << CMPLT_HDR_RSPNS_XFRD_OFF)
239 #define CMPLT_HDR_IO_CFG_ERR_OFF 27
240 #define CMPLT_HDR_IO_CFG_ERR_MSK (0x1 << CMPLT_HDR_IO_CFG_ERR_OFF)
244 #define ITCT_HDR_DEV_TYPE_OFF 0
245 #define ITCT_HDR_DEV_TYPE_MSK (0x3ULL << ITCT_HDR_DEV_TYPE_OFF)
246 #define ITCT_HDR_VALID_OFF 2
247 #define ITCT_HDR_VALID_MSK (0x1ULL << ITCT_HDR_VALID_OFF)
248 #define ITCT_HDR_AWT_CONTROL_OFF 4
249 #define ITCT_HDR_AWT_CONTROL_MSK (0x1ULL << ITCT_HDR_AWT_CONTROL_OFF)
250 #define ITCT_HDR_MAX_CONN_RATE_OFF 5
251 #define ITCT_HDR_MAX_CONN_RATE_MSK (0xfULL << ITCT_HDR_MAX_CONN_RATE_OFF)
252 #define ITCT_HDR_VALID_LINK_NUM_OFF 9
253 #define ITCT_HDR_VALID_LINK_NUM_MSK (0xfULL << ITCT_HDR_VALID_LINK_NUM_OFF)
254 #define ITCT_HDR_PORT_ID_OFF 13
255 #define ITCT_HDR_PORT_ID_MSK (0x7ULL << ITCT_HDR_PORT_ID_OFF)
256 #define ITCT_HDR_SMP_TIMEOUT_OFF 16
257 #define ITCT_HDR_SMP_TIMEOUT_MSK (0xffffULL << ITCT_HDR_SMP_TIMEOUT_OFF)
259 #define ITCT_HDR_MAX_SAS_ADDR_OFF 0
260 #define ITCT_HDR_MAX_SAS_ADDR_MSK (0xffffffffffffffff << \
261 ITCT_HDR_MAX_SAS_ADDR_OFF)
263 #define ITCT_HDR_IT_NEXUS_LOSS_TL_OFF 0
264 #define ITCT_HDR_IT_NEXUS_LOSS_TL_MSK (0xffffULL << \
265 ITCT_HDR_IT_NEXUS_LOSS_TL_OFF)
266 #define ITCT_HDR_BUS_INACTIVE_TL_OFF 16
267 #define ITCT_HDR_BUS_INACTIVE_TL_MSK (0xffffULL << \
268 ITCT_HDR_BUS_INACTIVE_TL_OFF)
269 #define ITCT_HDR_MAX_CONN_TL_OFF 32
270 #define ITCT_HDR_MAX_CONN_TL_MSK (0xffffULL << \
271 ITCT_HDR_MAX_CONN_TL_OFF)
272 #define ITCT_HDR_REJ_OPEN_TL_OFF 48
273 #define ITCT_HDR_REJ_OPEN_TL_MSK (0xffffULL << \
274 ITCT_HDR_REJ_OPEN_TL_OFF)
276 /* Err record header */
277 #define ERR_HDR_DMA_TX_ERR_TYPE_OFF 0
278 #define ERR_HDR_DMA_TX_ERR_TYPE_MSK (0xffff << ERR_HDR_DMA_TX_ERR_TYPE_OFF)
279 #define ERR_HDR_DMA_RX_ERR_TYPE_OFF 16
280 #define ERR_HDR_DMA_RX_ERR_TYPE_MSK (0xffff << ERR_HDR_DMA_RX_ERR_TYPE_OFF)
282 struct hisi_sas_complete_v1_hdr {
286 struct hisi_sas_err_record_v1 {
291 __le32 trans_tx_fail_type;
294 __le32 trans_rx_fail_type;
301 HISI_SAS_PHY_BCAST_ACK = 0,
302 HISI_SAS_PHY_SL_PHY_ENABLED,
303 HISI_SAS_PHY_INT_ABNORMAL,
308 DMA_TX_ERR_BASE = 0x0,
309 DMA_RX_ERR_BASE = 0x100,
310 TRANS_TX_FAIL_BASE = 0x200,
311 TRANS_RX_FAIL_BASE = 0x300,
314 DMA_TX_DIF_CRC_ERR = DMA_TX_ERR_BASE, /* 0x0 */
315 DMA_TX_DIF_APP_ERR, /* 0x1 */
316 DMA_TX_DIF_RPP_ERR, /* 0x2 */
317 DMA_TX_AXI_BUS_ERR, /* 0x3 */
318 DMA_TX_DATA_SGL_OVERFLOW_ERR, /* 0x4 */
319 DMA_TX_DIF_SGL_OVERFLOW_ERR, /* 0x5 */
320 DMA_TX_UNEXP_XFER_RDY_ERR, /* 0x6 */
321 DMA_TX_XFER_RDY_OFFSET_ERR, /* 0x7 */
322 DMA_TX_DATA_UNDERFLOW_ERR, /* 0x8 */
323 DMA_TX_XFER_RDY_LENGTH_OVERFLOW_ERR, /* 0x9 */
326 DMA_RX_BUFFER_ECC_ERR = DMA_RX_ERR_BASE, /* 0x100 */
327 DMA_RX_DIF_CRC_ERR, /* 0x101 */
328 DMA_RX_DIF_APP_ERR, /* 0x102 */
329 DMA_RX_DIF_RPP_ERR, /* 0x103 */
330 DMA_RX_RESP_BUFFER_OVERFLOW_ERR, /* 0x104 */
331 DMA_RX_AXI_BUS_ERR, /* 0x105 */
332 DMA_RX_DATA_SGL_OVERFLOW_ERR, /* 0x106 */
333 DMA_RX_DIF_SGL_OVERFLOW_ERR, /* 0x107 */
334 DMA_RX_DATA_OFFSET_ERR, /* 0x108 */
335 DMA_RX_UNEXP_RX_DATA_ERR, /* 0x109 */
336 DMA_RX_DATA_OVERFLOW_ERR, /* 0x10a */
337 DMA_RX_DATA_UNDERFLOW_ERR, /* 0x10b */
338 DMA_RX_UNEXP_RETRANS_RESP_ERR, /* 0x10c */
341 TRANS_TX_RSVD0_ERR = TRANS_TX_FAIL_BASE, /* 0x200 */
342 TRANS_TX_PHY_NOT_ENABLE_ERR, /* 0x201 */
343 TRANS_TX_OPEN_REJCT_WRONG_DEST_ERR, /* 0x202 */
344 TRANS_TX_OPEN_REJCT_ZONE_VIOLATION_ERR, /* 0x203 */
345 TRANS_TX_OPEN_REJCT_BY_OTHER_ERR, /* 0x204 */
346 TRANS_TX_RSVD1_ERR, /* 0x205 */
347 TRANS_TX_OPEN_REJCT_AIP_TIMEOUT_ERR, /* 0x206 */
348 TRANS_TX_OPEN_REJCT_STP_BUSY_ERR, /* 0x207 */
349 TRANS_TX_OPEN_REJCT_PROTOCOL_NOT_SUPPORT_ERR, /* 0x208 */
350 TRANS_TX_OPEN_REJCT_RATE_NOT_SUPPORT_ERR, /* 0x209 */
351 TRANS_TX_OPEN_REJCT_BAD_DEST_ERR, /* 0x20a */
352 TRANS_TX_OPEN_BREAK_RECEIVE_ERR, /* 0x20b */
353 TRANS_TX_LOW_PHY_POWER_ERR, /* 0x20c */
354 TRANS_TX_OPEN_REJCT_PATHWAY_BLOCKED_ERR, /* 0x20d */
355 TRANS_TX_OPEN_TIMEOUT_ERR, /* 0x20e */
356 TRANS_TX_OPEN_REJCT_NO_DEST_ERR, /* 0x20f */
357 TRANS_TX_OPEN_RETRY_ERR, /* 0x210 */
358 TRANS_TX_RSVD2_ERR, /* 0x211 */
359 TRANS_TX_BREAK_TIMEOUT_ERR, /* 0x212 */
360 TRANS_TX_BREAK_REQUEST_ERR, /* 0x213 */
361 TRANS_TX_BREAK_RECEIVE_ERR, /* 0x214 */
362 TRANS_TX_CLOSE_TIMEOUT_ERR, /* 0x215 */
363 TRANS_TX_CLOSE_NORMAL_ERR, /* 0x216 */
364 TRANS_TX_CLOSE_PHYRESET_ERR, /* 0x217 */
365 TRANS_TX_WITH_CLOSE_DWS_TIMEOUT_ERR, /* 0x218 */
366 TRANS_TX_WITH_CLOSE_COMINIT_ERR, /* 0x219 */
367 TRANS_TX_NAK_RECEIVE_ERR, /* 0x21a */
368 TRANS_TX_ACK_NAK_TIMEOUT_ERR, /* 0x21b */
369 TRANS_TX_CREDIT_TIMEOUT_ERR, /* 0x21c */
370 TRANS_TX_IPTT_CONFLICT_ERR, /* 0x21d */
371 TRANS_TX_TXFRM_TYPE_ERR, /* 0x21e */
372 TRANS_TX_TXSMP_LENGTH_ERR, /* 0x21f */
375 TRANS_RX_FRAME_CRC_ERR = TRANS_RX_FAIL_BASE, /* 0x300 */
376 TRANS_RX_FRAME_DONE_ERR, /* 0x301 */
377 TRANS_RX_FRAME_ERRPRM_ERR, /* 0x302 */
378 TRANS_RX_FRAME_NO_CREDIT_ERR, /* 0x303 */
379 TRANS_RX_RSVD0_ERR, /* 0x304 */
380 TRANS_RX_FRAME_OVERRUN_ERR, /* 0x305 */
381 TRANS_RX_FRAME_NO_EOF_ERR, /* 0x306 */
382 TRANS_RX_LINK_BUF_OVERRUN_ERR, /* 0x307 */
383 TRANS_RX_BREAK_TIMEOUT_ERR, /* 0x308 */
384 TRANS_RX_BREAK_REQUEST_ERR, /* 0x309 */
385 TRANS_RX_BREAK_RECEIVE_ERR, /* 0x30a */
386 TRANS_RX_CLOSE_TIMEOUT_ERR, /* 0x30b */
387 TRANS_RX_CLOSE_NORMAL_ERR, /* 0x30c */
388 TRANS_RX_CLOSE_PHYRESET_ERR, /* 0x30d */
389 TRANS_RX_WITH_CLOSE_DWS_TIMEOUT_ERR, /* 0x30e */
390 TRANS_RX_WITH_CLOSE_COMINIT_ERR, /* 0x30f */
391 TRANS_RX_DATA_LENGTH0_ERR, /* 0x310 */
392 TRANS_RX_BAD_HASH_ERR, /* 0x311 */
393 TRANS_RX_XRDY_ZERO_ERR, /* 0x312 */
394 TRANS_RX_SSP_FRAME_LEN_ERR, /* 0x313 */
395 TRANS_RX_TRANS_RX_RSVD1_ERR, /* 0x314 */
396 TRANS_RX_NO_BALANCE_ERR, /* 0x315 */
397 TRANS_RX_TRANS_RX_RSVD2_ERR, /* 0x316 */
398 TRANS_RX_TRANS_RX_RSVD3_ERR, /* 0x317 */
399 TRANS_RX_BAD_FRAME_TYPE_ERR, /* 0x318 */
400 TRANS_RX_SMP_FRAME_LEN_ERR, /* 0x319 */
401 TRANS_RX_SMP_RESP_TIMEOUT_ERR, /* 0x31a */
404 #define HISI_SAS_PHY_MAX_INT_NR (HISI_SAS_PHY_INT_NR * HISI_SAS_MAX_PHYS)
405 #define HISI_SAS_CQ_MAX_INT_NR (HISI_SAS_MAX_QUEUES)
406 #define HISI_SAS_FATAL_INT_NR (2)
408 #define HISI_SAS_MAX_INT_NR \
409 (HISI_SAS_PHY_MAX_INT_NR + HISI_SAS_CQ_MAX_INT_NR +\
410 HISI_SAS_FATAL_INT_NR)
412 static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off)
414 void __iomem *regs = hisi_hba->regs + off;
419 static void hisi_sas_write32(struct hisi_hba *hisi_hba,
422 void __iomem *regs = hisi_hba->regs + off;
427 static void hisi_sas_phy_write32(struct hisi_hba *hisi_hba,
428 int phy_no, u32 off, u32 val)
430 void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
435 static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba,
438 void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
443 static void config_phy_opt_mode_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
445 u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
447 cfg &= ~PHY_CFG_DC_OPT_MSK;
448 cfg |= 1 << PHY_CFG_DC_OPT_OFF;
449 hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
452 static void config_tx_tfe_autoneg_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
454 u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CONFIG2);
456 cfg &= ~PHY_CONFIG2_FORCE_TXDEEMPH_MSK;
457 hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CONFIG2, cfg);
460 static void config_id_frame_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
462 struct sas_identify_frame identify_frame;
463 u32 *identify_buffer;
465 memset(&identify_frame, 0, sizeof(identify_frame));
466 identify_frame.dev_type = SAS_END_DEVICE;
467 identify_frame.frame_type = 0;
468 identify_frame._un1 = 1;
469 identify_frame.initiator_bits = SAS_PROTOCOL_ALL;
470 identify_frame.target_bits = SAS_PROTOCOL_NONE;
471 memcpy(&identify_frame._un4_11[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
472 memcpy(&identify_frame.sas_addr[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
473 identify_frame.phy_id = phy_no;
474 identify_buffer = (u32 *)(&identify_frame);
476 hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD0,
477 __swab32(identify_buffer[0]));
478 hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD1,
479 __swab32(identify_buffer[1]));
480 hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD2,
481 __swab32(identify_buffer[2]));
482 hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD3,
483 __swab32(identify_buffer[3]));
484 hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD4,
485 __swab32(identify_buffer[4]));
486 hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD5,
487 __swab32(identify_buffer[5]));
490 static void setup_itct_v1_hw(struct hisi_hba *hisi_hba,
491 struct hisi_sas_device *sas_dev)
493 struct domain_device *device = sas_dev->sas_device;
494 struct device *dev = hisi_hba->dev;
495 u64 qw0, device_id = sas_dev->device_id;
496 struct hisi_sas_itct *itct = &hisi_hba->itct[device_id];
497 struct asd_sas_port *sas_port = device->port;
498 struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
501 memset(itct, 0, sizeof(*itct));
505 switch (sas_dev->dev_type) {
507 case SAS_EDGE_EXPANDER_DEVICE:
508 case SAS_FANOUT_EXPANDER_DEVICE:
509 qw0 = HISI_SAS_DEV_TYPE_SSP << ITCT_HDR_DEV_TYPE_OFF;
512 dev_warn(dev, "setup itct: unsupported dev type (%d)\n",
516 qw0 |= ((1 << ITCT_HDR_VALID_OFF) |
517 (1 << ITCT_HDR_AWT_CONTROL_OFF) |
518 (device->max_linkrate << ITCT_HDR_MAX_CONN_RATE_OFF) |
519 (1 << ITCT_HDR_VALID_LINK_NUM_OFF) |
520 (port->id << ITCT_HDR_PORT_ID_OFF));
521 itct->qw0 = cpu_to_le64(qw0);
524 memcpy(&sas_addr, device->sas_addr, SAS_ADDR_SIZE);
525 itct->sas_addr = cpu_to_le64(__swab64(sas_addr));
528 itct->qw2 = cpu_to_le64((500ULL << ITCT_HDR_IT_NEXUS_LOSS_TL_OFF) |
529 (0xff00ULL << ITCT_HDR_BUS_INACTIVE_TL_OFF) |
530 (0xff00ULL << ITCT_HDR_MAX_CONN_TL_OFF) |
531 (0xff00ULL << ITCT_HDR_REJ_OPEN_TL_OFF));
534 static int clear_itct_v1_hw(struct hisi_hba *hisi_hba,
535 struct hisi_sas_device *sas_dev)
537 u64 dev_id = sas_dev->device_id;
538 struct hisi_sas_itct *itct = &hisi_hba->itct[dev_id];
540 u32 reg_val = hisi_sas_read32(hisi_hba, CFG_AGING_TIME);
542 reg_val |= CFG_AGING_TIME_ITCT_REL_MSK;
543 hisi_sas_write32(hisi_hba, CFG_AGING_TIME, reg_val);
547 reg_val = hisi_sas_read32(hisi_hba, CFG_AGING_TIME);
548 reg_val &= ~CFG_AGING_TIME_ITCT_REL_MSK;
549 hisi_sas_write32(hisi_hba, CFG_AGING_TIME, reg_val);
551 qw0 = le64_to_cpu(itct->qw0);
552 qw0 &= ~ITCT_HDR_VALID_MSK;
553 itct->qw0 = cpu_to_le64(qw0);
558 static int reset_hw_v1_hw(struct hisi_hba *hisi_hba)
561 unsigned long end_time;
563 struct device *dev = hisi_hba->dev;
565 for (i = 0; i < hisi_hba->n_phy; i++) {
566 u32 phy_ctrl = hisi_sas_phy_read32(hisi_hba, i, PHY_CTRL);
568 phy_ctrl |= PHY_CTRL_RESET_MSK;
569 hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL, phy_ctrl);
571 msleep(1); /* It is safe to wait for 50us */
573 /* Ensure DMA tx & rx idle */
574 for (i = 0; i < hisi_hba->n_phy; i++) {
575 u32 dma_tx_status, dma_rx_status;
577 end_time = jiffies + msecs_to_jiffies(1000);
580 dma_tx_status = hisi_sas_phy_read32(hisi_hba, i,
582 dma_rx_status = hisi_sas_phy_read32(hisi_hba, i,
585 if (!(dma_tx_status & DMA_TX_STATUS_BUSY_MSK) &&
586 !(dma_rx_status & DMA_RX_STATUS_BUSY_MSK))
590 if (time_after(jiffies, end_time))
595 /* Ensure axi bus idle */
596 end_time = jiffies + msecs_to_jiffies(1000);
599 hisi_sas_read32(hisi_hba, AXI_CFG);
605 if (time_after(jiffies, end_time))
609 if (ACPI_HANDLE(dev)) {
612 s = acpi_evaluate_object(ACPI_HANDLE(dev), "_RST", NULL, NULL);
613 if (ACPI_FAILURE(s)) {
614 dev_err(dev, "Reset failed\n");
617 } else if (hisi_hba->ctrl) {
618 /* Apply reset and disable clock */
619 /* clk disable reg is offset by +4 bytes from clk enable reg */
620 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg,
622 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg + 4,
625 regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val);
626 if (RESET_VALUE != (val & RESET_VALUE)) {
627 dev_err(dev, "Reset failed\n");
631 /* De-reset and enable clock */
632 /* deassert rst reg is offset by +4 bytes from assert reg */
633 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg + 4,
635 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg,
638 regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val);
639 if (val & RESET_VALUE) {
640 dev_err(dev, "De-reset failed\n");
644 dev_warn(dev, "no reset method\n");
651 static void init_reg_v1_hw(struct hisi_hba *hisi_hba)
655 /* Global registers init*/
656 hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
657 (u32)((1ULL << hisi_hba->queue_count) - 1));
658 hisi_sas_write32(hisi_hba, HGC_TRANS_TASK_CNT_LIMIT, 0x11);
659 hisi_sas_write32(hisi_hba, DEVICE_MSG_WORK_MODE, 0x1);
660 hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x1ff);
661 hisi_sas_write32(hisi_hba, HGC_ERR_STAT_EN, 0x401);
662 hisi_sas_write32(hisi_hba, CFG_1US_TIMER_TRSH, 0x64);
663 hisi_sas_write32(hisi_hba, HGC_GET_ITV_TIME, 0x1);
664 hisi_sas_write32(hisi_hba, I_T_NEXUS_LOSS_TIME, 0x64);
665 hisi_sas_write32(hisi_hba, BUS_INACTIVE_LIMIT_TIME, 0x2710);
666 hisi_sas_write32(hisi_hba, REJECT_TO_OPEN_LIMIT_TIME, 0x1);
667 hisi_sas_write32(hisi_hba, CFG_AGING_TIME, 0x7a12);
668 hisi_sas_write32(hisi_hba, HGC_DFX_CFG2, 0x9c40);
669 hisi_sas_write32(hisi_hba, FIS_LIST_BADDR_L, 0x2);
670 hisi_sas_write32(hisi_hba, INT_COAL_EN, 0xc);
671 hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x186a0);
672 hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 1);
673 hisi_sas_write32(hisi_hba, ENT_INT_COAL_TIME, 0x1);
674 hisi_sas_write32(hisi_hba, ENT_INT_COAL_CNT, 0x1);
675 hisi_sas_write32(hisi_hba, OQ_INT_SRC, 0xffffffff);
676 hisi_sas_write32(hisi_hba, OQ_INT_SRC_MSK, 0);
677 hisi_sas_write32(hisi_hba, ENT_INT_SRC1, 0xffffffff);
678 hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0);
679 hisi_sas_write32(hisi_hba, ENT_INT_SRC2, 0xffffffff);
680 hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0);
681 hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0);
682 hisi_sas_write32(hisi_hba, AXI_AHB_CLK_CFG, 0x2);
683 hisi_sas_write32(hisi_hba, CFG_SAS_CONFIG, 0x22000000);
685 for (i = 0; i < hisi_hba->n_phy; i++) {
686 hisi_sas_phy_write32(hisi_hba, i, PROG_PHY_LINK_RATE, 0x88a);
687 hisi_sas_phy_write32(hisi_hba, i, PHY_CONFIG2, 0x7c080);
688 hisi_sas_phy_write32(hisi_hba, i, PHY_RATE_NEGO, 0x415ee00);
689 hisi_sas_phy_write32(hisi_hba, i, PHY_PCN, 0x80a80000);
690 hisi_sas_phy_write32(hisi_hba, i, SL_TOUT_CFG, 0x7d7d7d7d);
691 hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0x0);
692 hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000);
693 hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0);
694 hisi_sas_phy_write32(hisi_hba, i, CON_CFG_DRIVER, 0x13f0a);
695 hisi_sas_phy_write32(hisi_hba, i, CHL_INT_COAL_EN, 3);
696 hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 8);
699 for (i = 0; i < hisi_hba->queue_count; i++) {
701 hisi_sas_write32(hisi_hba,
702 DLVRY_Q_0_BASE_ADDR_HI + (i * 0x14),
703 upper_32_bits(hisi_hba->cmd_hdr_dma[i]));
705 hisi_sas_write32(hisi_hba,
706 DLVRY_Q_0_BASE_ADDR_LO + (i * 0x14),
707 lower_32_bits(hisi_hba->cmd_hdr_dma[i]));
709 hisi_sas_write32(hisi_hba,
710 DLVRY_Q_0_DEPTH + (i * 0x14),
711 HISI_SAS_QUEUE_SLOTS);
713 /* Completion queue */
714 hisi_sas_write32(hisi_hba,
715 COMPL_Q_0_BASE_ADDR_HI + (i * 0x14),
716 upper_32_bits(hisi_hba->complete_hdr_dma[i]));
718 hisi_sas_write32(hisi_hba,
719 COMPL_Q_0_BASE_ADDR_LO + (i * 0x14),
720 lower_32_bits(hisi_hba->complete_hdr_dma[i]));
722 hisi_sas_write32(hisi_hba, COMPL_Q_0_DEPTH + (i * 0x14),
723 HISI_SAS_QUEUE_SLOTS);
727 hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_LO,
728 lower_32_bits(hisi_hba->itct_dma));
730 hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_HI,
731 upper_32_bits(hisi_hba->itct_dma));
734 hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_LO,
735 lower_32_bits(hisi_hba->iost_dma));
737 hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_HI,
738 upper_32_bits(hisi_hba->iost_dma));
741 hisi_sas_write32(hisi_hba, BROKEN_MSG_ADDR_LO,
742 lower_32_bits(hisi_hba->breakpoint_dma));
744 hisi_sas_write32(hisi_hba, BROKEN_MSG_ADDR_HI,
745 upper_32_bits(hisi_hba->breakpoint_dma));
748 static int hw_init_v1_hw(struct hisi_hba *hisi_hba)
750 struct device *dev = hisi_hba->dev;
753 rc = reset_hw_v1_hw(hisi_hba);
755 dev_err(dev, "hisi_sas_reset_hw failed, rc=%d\n", rc);
760 init_reg_v1_hw(hisi_hba);
765 static void enable_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
767 u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
769 cfg |= PHY_CFG_ENA_MSK;
770 hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
773 static void disable_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
775 u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
777 cfg &= ~PHY_CFG_ENA_MSK;
778 hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
781 static void start_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
783 config_id_frame_v1_hw(hisi_hba, phy_no);
784 config_phy_opt_mode_v1_hw(hisi_hba, phy_no);
785 config_tx_tfe_autoneg_v1_hw(hisi_hba, phy_no);
786 enable_phy_v1_hw(hisi_hba, phy_no);
789 static void phy_hard_reset_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
791 hisi_sas_phy_enable(hisi_hba, phy_no, 0);
793 hisi_sas_phy_enable(hisi_hba, phy_no, 1);
796 static void start_phys_v1_hw(struct timer_list *t)
798 struct hisi_hba *hisi_hba = from_timer(hisi_hba, t, timer);
801 for (i = 0; i < hisi_hba->n_phy; i++) {
802 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x12a);
803 hisi_sas_phy_enable(hisi_hba, i, 1);
807 static void phys_init_v1_hw(struct hisi_hba *hisi_hba)
810 struct timer_list *timer = &hisi_hba->timer;
812 for (i = 0; i < hisi_hba->n_phy; i++) {
813 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x6a);
814 hisi_sas_phy_read32(hisi_hba, i, CHL_INT2_MSK);
817 timer_setup(timer, start_phys_v1_hw, 0);
818 mod_timer(timer, jiffies + HZ);
821 static void sl_notify_ssp_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
825 sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
826 sl_control |= SL_CONTROL_NOTIFY_EN_MSK;
827 hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
829 sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
830 sl_control &= ~SL_CONTROL_NOTIFY_EN_MSK;
831 hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
834 static enum sas_linkrate phy_get_max_linkrate_v1_hw(void)
836 return SAS_LINK_RATE_6_0_GBPS;
839 static void phy_set_linkrate_v1_hw(struct hisi_hba *hisi_hba, int phy_no,
840 struct sas_phy_linkrates *r)
842 enum sas_linkrate max = r->maximum_linkrate;
843 u32 prog_phy_link_rate = 0x800;
845 prog_phy_link_rate |= hisi_sas_get_prog_phy_linkrate_mask(max);
846 hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE,
850 static int get_wideport_bitmap_v1_hw(struct hisi_hba *hisi_hba, int port_id)
853 u32 phy_port_num_ma = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
855 for (i = 0; i < hisi_hba->n_phy; i++)
856 if (((phy_port_num_ma >> (i * 4)) & 0xf) == port_id)
862 /* DQ lock must be taken here */
863 static void start_delivery_v1_hw(struct hisi_sas_dq *dq)
865 struct hisi_hba *hisi_hba = dq->hisi_hba;
866 struct hisi_sas_slot *s, *s1, *s2 = NULL;
867 int dlvry_queue = dq->id;
870 list_for_each_entry_safe(s, s1, &dq->list, delivery) {
874 list_del(&s->delivery);
881 * Ensure that memories for slots built on other CPUs is observed.
884 wp = (s2->dlvry_queue_slot + 1) % HISI_SAS_QUEUE_SLOTS;
886 hisi_sas_write32(hisi_hba, DLVRY_Q_0_WR_PTR + (dlvry_queue * 0x14), wp);
889 static void prep_prd_sge_v1_hw(struct hisi_hba *hisi_hba,
890 struct hisi_sas_slot *slot,
891 struct hisi_sas_cmd_hdr *hdr,
892 struct scatterlist *scatter,
895 struct hisi_sas_sge_page *sge_page = hisi_sas_sge_addr_mem(slot);
896 struct scatterlist *sg;
899 for_each_sg(scatter, sg, n_elem, i) {
900 struct hisi_sas_sge *entry = &sge_page->sge[i];
902 entry->addr = cpu_to_le64(sg_dma_address(sg));
903 entry->page_ctrl_0 = entry->page_ctrl_1 = 0;
904 entry->data_len = cpu_to_le32(sg_dma_len(sg));
908 hdr->prd_table_addr = cpu_to_le64(hisi_sas_sge_addr_dma(slot));
910 hdr->sg_len = cpu_to_le32(n_elem << CMD_HDR_DATA_SGL_LEN_OFF);
913 static void prep_smp_v1_hw(struct hisi_hba *hisi_hba,
914 struct hisi_sas_slot *slot)
916 struct sas_task *task = slot->task;
917 struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
918 struct domain_device *device = task->dev;
919 struct hisi_sas_port *port = slot->port;
920 struct scatterlist *sg_req;
921 struct hisi_sas_device *sas_dev = device->lldd_dev;
922 dma_addr_t req_dma_addr;
923 unsigned int req_len;
926 sg_req = &task->smp_task.smp_req;
927 req_len = sg_dma_len(sg_req);
928 req_dma_addr = sg_dma_address(sg_req);
932 hdr->dw0 = cpu_to_le32((port->id << CMD_HDR_PORT_OFF) |
933 (1 << CMD_HDR_PRIORITY_OFF) | /* high pri */
934 (1 << CMD_HDR_MODE_OFF) | /* ini mode */
935 (2 << CMD_HDR_CMD_OFF)); /* smp */
938 hdr->dw1 = cpu_to_le32(sas_dev->device_id << CMD_HDR_DEVICE_ID_OFF);
941 hdr->dw2 = cpu_to_le32((((req_len-4)/4) << CMD_HDR_CFL_OFF) |
942 (HISI_SAS_MAX_SMP_RESP_SZ/4 <<
945 hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF);
947 hdr->cmd_table_addr = cpu_to_le64(req_dma_addr);
948 hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
951 static void prep_ssp_v1_hw(struct hisi_hba *hisi_hba,
952 struct hisi_sas_slot *slot)
954 struct sas_task *task = slot->task;
955 struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
956 struct domain_device *device = task->dev;
957 struct hisi_sas_device *sas_dev = device->lldd_dev;
958 struct hisi_sas_port *port = slot->port;
959 struct sas_ssp_task *ssp_task = &task->ssp_task;
960 struct scsi_cmnd *scsi_cmnd = ssp_task->cmd;
961 struct hisi_sas_tmf_task *tmf = slot->tmf;
962 int has_data = 0, priority = !!tmf;
963 u8 *buf_cmd, fburst = 0;
967 hdr->dw0 = cpu_to_le32((1 << CMD_HDR_RESP_REPORT_OFF) |
968 (0x2 << CMD_HDR_TLR_CTRL_OFF) |
969 (port->id << CMD_HDR_PORT_OFF) |
970 (priority << CMD_HDR_PRIORITY_OFF) |
971 (1 << CMD_HDR_MODE_OFF) | /* ini mode */
972 (1 << CMD_HDR_CMD_OFF)); /* ssp */
974 dw1 = 1 << CMD_HDR_VERIFY_DTL_OFF;
977 dw1 |= 3 << CMD_HDR_SSP_FRAME_TYPE_OFF;
979 switch (scsi_cmnd->sc_data_direction) {
981 dw1 |= 2 << CMD_HDR_SSP_FRAME_TYPE_OFF;
984 case DMA_FROM_DEVICE:
985 dw1 |= 1 << CMD_HDR_SSP_FRAME_TYPE_OFF;
989 dw1 |= 0 << CMD_HDR_SSP_FRAME_TYPE_OFF;
994 dw1 |= sas_dev->device_id << CMD_HDR_DEVICE_ID_OFF;
995 hdr->dw1 = cpu_to_le32(dw1);
998 dw2 = ((sizeof(struct ssp_tmf_iu) +
999 sizeof(struct ssp_frame_hdr)+3)/4) <<
1002 dw2 = ((sizeof(struct ssp_command_iu) +
1003 sizeof(struct ssp_frame_hdr)+3)/4) <<
1007 dw2 |= (HISI_SAS_MAX_SSP_RESP_SZ/4) << CMD_HDR_MRFL_OFF;
1009 hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF);
1012 prep_prd_sge_v1_hw(hisi_hba, slot, hdr, task->scatter,
1015 hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len);
1016 hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot));
1017 hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
1019 buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot) +
1020 sizeof(struct ssp_frame_hdr);
1021 if (task->ssp_task.enable_first_burst) {
1023 dw2 |= 1 << CMD_HDR_FIRST_BURST_OFF;
1025 hdr->dw2 = cpu_to_le32(dw2);
1027 memcpy(buf_cmd, &task->ssp_task.LUN, 8);
1029 buf_cmd[9] = fburst | task->ssp_task.task_attr |
1030 (task->ssp_task.task_prio << 3);
1031 memcpy(buf_cmd + 12, task->ssp_task.cmd->cmnd,
1032 task->ssp_task.cmd->cmd_len);
1034 buf_cmd[10] = tmf->tmf;
1036 case TMF_ABORT_TASK:
1037 case TMF_QUERY_TASK:
1039 (tmf->tag_of_task_to_be_managed >> 8) & 0xff;
1041 tmf->tag_of_task_to_be_managed & 0xff;
1049 /* by default, task resp is complete */
1050 static void slot_err_v1_hw(struct hisi_hba *hisi_hba,
1051 struct sas_task *task,
1052 struct hisi_sas_slot *slot)
1054 struct task_status_struct *ts = &task->task_status;
1055 struct hisi_sas_err_record_v1 *err_record =
1056 hisi_sas_status_buf_addr_mem(slot);
1057 struct device *dev = hisi_hba->dev;
1059 switch (task->task_proto) {
1060 case SAS_PROTOCOL_SSP:
1063 u32 dma_err_type = le32_to_cpu(err_record->dma_err_type);
1064 u32 dma_tx_err_type = ((dma_err_type &
1065 ERR_HDR_DMA_TX_ERR_TYPE_MSK)) >>
1066 ERR_HDR_DMA_TX_ERR_TYPE_OFF;
1067 u32 dma_rx_err_type = ((dma_err_type &
1068 ERR_HDR_DMA_RX_ERR_TYPE_MSK)) >>
1069 ERR_HDR_DMA_RX_ERR_TYPE_OFF;
1070 u32 trans_tx_fail_type =
1071 le32_to_cpu(err_record->trans_tx_fail_type);
1072 u32 trans_rx_fail_type =
1073 le32_to_cpu(err_record->trans_rx_fail_type);
1075 if (dma_tx_err_type) {
1077 error = ffs(dma_tx_err_type)
1078 - 1 + DMA_TX_ERR_BASE;
1079 } else if (dma_rx_err_type) {
1081 error = ffs(dma_rx_err_type)
1082 - 1 + DMA_RX_ERR_BASE;
1083 } else if (trans_tx_fail_type) {
1085 error = ffs(trans_tx_fail_type)
1086 - 1 + TRANS_TX_FAIL_BASE;
1087 } else if (trans_rx_fail_type) {
1089 error = ffs(trans_rx_fail_type)
1090 - 1 + TRANS_RX_FAIL_BASE;
1094 case DMA_TX_DATA_UNDERFLOW_ERR:
1095 case DMA_RX_DATA_UNDERFLOW_ERR:
1098 ts->stat = SAS_DATA_UNDERRUN;
1101 case DMA_TX_DATA_SGL_OVERFLOW_ERR:
1102 case DMA_TX_DIF_SGL_OVERFLOW_ERR:
1103 case DMA_TX_XFER_RDY_LENGTH_OVERFLOW_ERR:
1104 case DMA_RX_DATA_OVERFLOW_ERR:
1105 case TRANS_RX_FRAME_OVERRUN_ERR:
1106 case TRANS_RX_LINK_BUF_OVERRUN_ERR:
1108 ts->stat = SAS_DATA_OVERRUN;
1112 case TRANS_TX_PHY_NOT_ENABLE_ERR:
1114 ts->stat = SAS_PHY_DOWN;
1117 case TRANS_TX_OPEN_REJCT_WRONG_DEST_ERR:
1118 case TRANS_TX_OPEN_REJCT_ZONE_VIOLATION_ERR:
1119 case TRANS_TX_OPEN_REJCT_BY_OTHER_ERR:
1120 case TRANS_TX_OPEN_REJCT_AIP_TIMEOUT_ERR:
1121 case TRANS_TX_OPEN_REJCT_STP_BUSY_ERR:
1122 case TRANS_TX_OPEN_REJCT_PROTOCOL_NOT_SUPPORT_ERR:
1123 case TRANS_TX_OPEN_REJCT_RATE_NOT_SUPPORT_ERR:
1124 case TRANS_TX_OPEN_REJCT_BAD_DEST_ERR:
1125 case TRANS_TX_OPEN_BREAK_RECEIVE_ERR:
1126 case TRANS_TX_OPEN_REJCT_PATHWAY_BLOCKED_ERR:
1127 case TRANS_TX_OPEN_REJCT_NO_DEST_ERR:
1128 case TRANS_TX_OPEN_RETRY_ERR:
1130 ts->stat = SAS_OPEN_REJECT;
1131 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1134 case TRANS_TX_OPEN_TIMEOUT_ERR:
1136 ts->stat = SAS_OPEN_TO;
1139 case TRANS_TX_NAK_RECEIVE_ERR:
1140 case TRANS_TX_ACK_NAK_TIMEOUT_ERR:
1142 ts->stat = SAS_NAK_R_ERR;
1145 case TRANS_TX_CREDIT_TIMEOUT_ERR:
1146 case TRANS_TX_CLOSE_NORMAL_ERR:
1148 /* This will request a retry */
1149 ts->stat = SAS_QUEUE_FULL;
1155 ts->stat = SAM_STAT_CHECK_CONDITION;
1161 case SAS_PROTOCOL_SMP:
1162 ts->stat = SAM_STAT_CHECK_CONDITION;
1165 case SAS_PROTOCOL_SATA:
1166 case SAS_PROTOCOL_STP:
1167 case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
1169 dev_err(dev, "slot err: SATA/STP not supported\n");
1178 static void slot_complete_v1_hw(struct hisi_hba *hisi_hba,
1179 struct hisi_sas_slot *slot)
1181 struct sas_task *task = slot->task;
1182 struct hisi_sas_device *sas_dev;
1183 struct device *dev = hisi_hba->dev;
1184 struct task_status_struct *ts;
1185 struct domain_device *device;
1186 struct hisi_sas_complete_v1_hdr *complete_queue =
1187 hisi_hba->complete_hdr[slot->cmplt_queue];
1188 struct hisi_sas_complete_v1_hdr *complete_hdr;
1189 unsigned long flags;
1192 complete_hdr = &complete_queue[slot->cmplt_queue_slot];
1193 cmplt_hdr_data = le32_to_cpu(complete_hdr->data);
1195 if (unlikely(!task || !task->lldd_task || !task->dev))
1198 ts = &task->task_status;
1200 sas_dev = device->lldd_dev;
1202 spin_lock_irqsave(&task->task_state_lock, flags);
1203 task->task_state_flags &=
1204 ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR);
1205 task->task_state_flags |= SAS_TASK_STATE_DONE;
1206 spin_unlock_irqrestore(&task->task_state_lock, flags);
1208 memset(ts, 0, sizeof(*ts));
1209 ts->resp = SAS_TASK_COMPLETE;
1211 if (unlikely(!sas_dev)) {
1212 dev_dbg(dev, "slot complete: port has no device\n");
1213 ts->stat = SAS_PHY_DOWN;
1217 if (cmplt_hdr_data & CMPLT_HDR_IO_CFG_ERR_MSK) {
1218 u32 info_reg = hisi_sas_read32(hisi_hba, HGC_INVLD_DQE_INFO);
1220 if (info_reg & HGC_INVLD_DQE_INFO_DQ_MSK)
1221 dev_err(dev, "slot complete: [%d:%d] has dq IPTT err\n",
1222 slot->cmplt_queue, slot->cmplt_queue_slot);
1224 if (info_reg & HGC_INVLD_DQE_INFO_TYPE_MSK)
1225 dev_err(dev, "slot complete: [%d:%d] has dq type err\n",
1226 slot->cmplt_queue, slot->cmplt_queue_slot);
1228 if (info_reg & HGC_INVLD_DQE_INFO_FORCE_MSK)
1229 dev_err(dev, "slot complete: [%d:%d] has dq force phy err\n",
1230 slot->cmplt_queue, slot->cmplt_queue_slot);
1232 if (info_reg & HGC_INVLD_DQE_INFO_PHY_MSK)
1233 dev_err(dev, "slot complete: [%d:%d] has dq phy id err\n",
1234 slot->cmplt_queue, slot->cmplt_queue_slot);
1236 if (info_reg & HGC_INVLD_DQE_INFO_ABORT_MSK)
1237 dev_err(dev, "slot complete: [%d:%d] has dq abort flag err\n",
1238 slot->cmplt_queue, slot->cmplt_queue_slot);
1240 if (info_reg & HGC_INVLD_DQE_INFO_IPTT_OF_MSK)
1241 dev_err(dev, "slot complete: [%d:%d] has dq IPTT or ICT err\n",
1242 slot->cmplt_queue, slot->cmplt_queue_slot);
1244 if (info_reg & HGC_INVLD_DQE_INFO_SSP_ERR_MSK)
1245 dev_err(dev, "slot complete: [%d:%d] has dq SSP frame type err\n",
1246 slot->cmplt_queue, slot->cmplt_queue_slot);
1248 if (info_reg & HGC_INVLD_DQE_INFO_OFL_MSK)
1249 dev_err(dev, "slot complete: [%d:%d] has dq order frame len err\n",
1250 slot->cmplt_queue, slot->cmplt_queue_slot);
1252 ts->stat = SAS_OPEN_REJECT;
1253 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1257 if (cmplt_hdr_data & CMPLT_HDR_ERR_RCRD_XFRD_MSK &&
1258 !(cmplt_hdr_data & CMPLT_HDR_RSPNS_XFRD_MSK)) {
1260 slot_err_v1_hw(hisi_hba, task, slot);
1261 if (unlikely(slot->abort)) {
1262 sas_task_abort(task);
1268 switch (task->task_proto) {
1269 case SAS_PROTOCOL_SSP:
1271 struct hisi_sas_status_buffer *status_buffer =
1272 hisi_sas_status_buf_addr_mem(slot);
1273 struct ssp_response_iu *iu = (struct ssp_response_iu *)
1274 &status_buffer->iu[0];
1276 sas_ssp_task_response(dev, task, iu);
1279 case SAS_PROTOCOL_SMP:
1281 struct scatterlist *sg_resp = &task->smp_task.smp_resp;
1282 void *to = page_address(sg_page(sg_resp));
1284 ts->stat = SAM_STAT_GOOD;
1286 dma_unmap_sg(dev, &task->smp_task.smp_req, 1,
1288 memcpy(to + sg_resp->offset,
1289 hisi_sas_status_buf_addr_mem(slot) +
1290 sizeof(struct hisi_sas_err_record),
1294 case SAS_PROTOCOL_SATA:
1295 case SAS_PROTOCOL_STP:
1296 case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
1297 dev_err(dev, "slot complete: SATA/STP not supported\n");
1301 ts->stat = SAM_STAT_CHECK_CONDITION;
1305 if (!slot->port->port_attached) {
1306 dev_err(dev, "slot complete: port %d has removed\n",
1307 slot->port->sas_port.id);
1308 ts->stat = SAS_PHY_DOWN;
1312 hisi_sas_slot_task_free(hisi_hba, task, slot);
1314 if (task->task_done)
1315 task->task_done(task);
1319 static irqreturn_t int_phyup_v1_hw(int irq_no, void *p)
1321 struct hisi_sas_phy *phy = p;
1322 struct hisi_hba *hisi_hba = phy->hisi_hba;
1323 struct device *dev = hisi_hba->dev;
1324 struct asd_sas_phy *sas_phy = &phy->sas_phy;
1325 int i, phy_no = sas_phy->id;
1326 u32 irq_value, context, port_id, link_rate;
1327 u32 *frame_rcvd = (u32 *)sas_phy->frame_rcvd;
1328 struct sas_identify_frame *id = (struct sas_identify_frame *)frame_rcvd;
1329 irqreturn_t res = IRQ_HANDLED;
1330 unsigned long flags;
1332 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
1333 if (!(irq_value & CHL_INT2_SL_PHY_ENA_MSK)) {
1334 dev_dbg(dev, "phyup: irq_value = %x not set enable bit\n",
1340 context = hisi_sas_read32(hisi_hba, PHY_CONTEXT);
1341 if (context & 1 << phy_no) {
1342 dev_err(dev, "phyup: phy%d SATA attached equipment\n",
1347 port_id = (hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA) >> (4 * phy_no))
1349 if (port_id == 0xf) {
1350 dev_err(dev, "phyup: phy%d invalid portid\n", phy_no);
1355 for (i = 0; i < 6; i++) {
1356 u32 idaf = hisi_sas_phy_read32(hisi_hba, phy_no,
1357 RX_IDAF_DWORD0 + (i * 4));
1358 frame_rcvd[i] = __swab32(idaf);
1361 /* Get the linkrate */
1362 link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE);
1363 link_rate = (link_rate >> (phy_no * 4)) & 0xf;
1364 sas_phy->linkrate = link_rate;
1365 sas_phy->oob_mode = SAS_OOB_MODE;
1366 memcpy(sas_phy->attached_sas_addr,
1367 &id->sas_addr, SAS_ADDR_SIZE);
1368 dev_info(dev, "phyup: phy%d link_rate=%d\n",
1370 phy->port_id = port_id;
1371 phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
1372 phy->phy_type |= PORT_TYPE_SAS;
1373 phy->phy_attached = 1;
1374 phy->identify.device_type = id->dev_type;
1375 phy->frame_rcvd_size = sizeof(struct sas_identify_frame);
1376 if (phy->identify.device_type == SAS_END_DEVICE)
1377 phy->identify.target_port_protocols =
1379 else if (phy->identify.device_type != SAS_PHY_UNUSED)
1380 phy->identify.target_port_protocols =
1382 hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP);
1384 spin_lock_irqsave(&phy->lock, flags);
1385 if (phy->reset_completion) {
1387 complete(phy->reset_completion);
1389 spin_unlock_irqrestore(&phy->lock, flags);
1392 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2,
1393 CHL_INT2_SL_PHY_ENA_MSK);
1395 if (irq_value & CHL_INT2_SL_PHY_ENA_MSK) {
1396 u32 chl_int0 = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0);
1398 chl_int0 &= ~CHL_INT0_PHYCTRL_NOTRDY_MSK;
1399 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, chl_int0);
1400 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, 0x3ce3ee);
1406 static irqreturn_t int_bcast_v1_hw(int irq, void *p)
1408 struct hisi_sas_phy *phy = p;
1409 struct hisi_hba *hisi_hba = phy->hisi_hba;
1410 struct asd_sas_phy *sas_phy = &phy->sas_phy;
1411 struct device *dev = hisi_hba->dev;
1412 int phy_no = sas_phy->id;
1414 irqreturn_t res = IRQ_HANDLED;
1416 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
1418 if (!(irq_value & CHL_INT2_SL_RX_BC_ACK_MSK)) {
1419 dev_err(dev, "bcast: irq_value = %x not set enable bit\n",
1425 if (!test_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags))
1426 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
1429 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2,
1430 CHL_INT2_SL_RX_BC_ACK_MSK);
1435 static irqreturn_t int_abnormal_v1_hw(int irq, void *p)
1437 struct hisi_sas_phy *phy = p;
1438 struct hisi_hba *hisi_hba = phy->hisi_hba;
1439 struct device *dev = hisi_hba->dev;
1440 struct asd_sas_phy *sas_phy = &phy->sas_phy;
1441 u32 irq_value, irq_mask_old;
1442 int phy_no = sas_phy->id;
1445 irq_mask_old = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0_MSK);
1446 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, 0x3fffff);
1449 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0);
1451 if (irq_value & CHL_INT0_PHYCTRL_NOTRDY_MSK) {
1452 u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
1454 hisi_sas_phy_down(hisi_hba, phy_no,
1455 (phy_state & 1 << phy_no) ? 1 : 0);
1458 if (irq_value & CHL_INT0_ID_TIMEOUT_MSK)
1459 dev_dbg(dev, "abnormal: ID_TIMEOUT phy%d identify timeout\n",
1462 if (irq_value & CHL_INT0_DWS_LOST_MSK)
1463 dev_dbg(dev, "abnormal: DWS_LOST phy%d dws lost\n", phy_no);
1465 if (irq_value & CHL_INT0_SN_FAIL_NGR_MSK)
1466 dev_dbg(dev, "abnormal: SN_FAIL_NGR phy%d sn fail ngr\n",
1469 if (irq_value & CHL_INT0_SL_IDAF_FAIL_MSK ||
1470 irq_value & CHL_INT0_SL_OPAF_FAIL_MSK)
1471 dev_dbg(dev, "abnormal: SL_ID/OPAF_FAIL phy%d check adr frm err\n",
1474 if (irq_value & CHL_INT0_SL_PS_FAIL_OFF)
1475 dev_dbg(dev, "abnormal: SL_PS_FAIL phy%d fail\n", phy_no);
1478 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, irq_value);
1480 if (irq_value & CHL_INT0_PHYCTRL_NOTRDY_MSK)
1481 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK,
1482 0x3fffff & ~CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK);
1484 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK,
1490 static irqreturn_t cq_interrupt_v1_hw(int irq, void *p)
1492 struct hisi_sas_cq *cq = p;
1493 struct hisi_hba *hisi_hba = cq->hisi_hba;
1494 struct hisi_sas_slot *slot;
1496 struct hisi_sas_complete_v1_hdr *complete_queue =
1497 (struct hisi_sas_complete_v1_hdr *)
1498 hisi_hba->complete_hdr[queue];
1499 u32 rd_point = cq->rd_point, wr_point;
1501 spin_lock(&hisi_hba->lock);
1502 hisi_sas_write32(hisi_hba, OQ_INT_SRC, 1 << queue);
1503 wr_point = hisi_sas_read32(hisi_hba,
1504 COMPL_Q_0_WR_PTR + (0x14 * queue));
1506 while (rd_point != wr_point) {
1507 struct hisi_sas_complete_v1_hdr *complete_hdr;
1511 complete_hdr = &complete_queue[rd_point];
1512 cmplt_hdr_data = le32_to_cpu(complete_hdr->data);
1513 idx = (cmplt_hdr_data & CMPLT_HDR_IPTT_MSK) >>
1515 slot = &hisi_hba->slot_info[idx];
1517 /* The completion queue and queue slot index are not
1518 * necessarily the same as the delivery queue and
1521 slot->cmplt_queue_slot = rd_point;
1522 slot->cmplt_queue = queue;
1523 slot_complete_v1_hw(hisi_hba, slot);
1525 if (++rd_point >= HISI_SAS_QUEUE_SLOTS)
1529 /* update rd_point */
1530 cq->rd_point = rd_point;
1531 hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point);
1532 spin_unlock(&hisi_hba->lock);
1537 static irqreturn_t fatal_ecc_int_v1_hw(int irq, void *p)
1539 struct hisi_hba *hisi_hba = p;
1540 struct device *dev = hisi_hba->dev;
1541 u32 ecc_int = hisi_sas_read32(hisi_hba, SAS_ECC_INTR);
1543 if (ecc_int & SAS_ECC_INTR_DQ_ECC1B_MSK) {
1544 u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
1546 panic("%s: Fatal DQ 1b ECC interrupt (0x%x)\n",
1547 dev_name(dev), ecc_err);
1550 if (ecc_int & SAS_ECC_INTR_DQ_ECCBAD_MSK) {
1551 u32 addr = (hisi_sas_read32(hisi_hba, HGC_DQ_ECC_ADDR) &
1552 HGC_DQ_ECC_ADDR_BAD_MSK) >>
1553 HGC_DQ_ECC_ADDR_BAD_OFF;
1555 panic("%s: Fatal DQ RAM ECC interrupt @ 0x%08x\n",
1556 dev_name(dev), addr);
1559 if (ecc_int & SAS_ECC_INTR_IOST_ECC1B_MSK) {
1560 u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
1562 panic("%s: Fatal IOST 1b ECC interrupt (0x%x)\n",
1563 dev_name(dev), ecc_err);
1566 if (ecc_int & SAS_ECC_INTR_IOST_ECCBAD_MSK) {
1567 u32 addr = (hisi_sas_read32(hisi_hba, HGC_IOST_ECC_ADDR) &
1568 HGC_IOST_ECC_ADDR_BAD_MSK) >>
1569 HGC_IOST_ECC_ADDR_BAD_OFF;
1571 panic("%s: Fatal IOST RAM ECC interrupt @ 0x%08x\n",
1572 dev_name(dev), addr);
1575 if (ecc_int & SAS_ECC_INTR_ITCT_ECCBAD_MSK) {
1576 u32 addr = (hisi_sas_read32(hisi_hba, HGC_ITCT_ECC_ADDR) &
1577 HGC_ITCT_ECC_ADDR_BAD_MSK) >>
1578 HGC_ITCT_ECC_ADDR_BAD_OFF;
1580 panic("%s: Fatal TCT RAM ECC interrupt @ 0x%08x\n",
1581 dev_name(dev), addr);
1584 if (ecc_int & SAS_ECC_INTR_ITCT_ECC1B_MSK) {
1585 u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
1587 panic("%s: Fatal ITCT 1b ECC interrupt (0x%x)\n",
1588 dev_name(dev), ecc_err);
1591 hisi_sas_write32(hisi_hba, SAS_ECC_INTR, ecc_int | 0x3f);
1596 static irqreturn_t fatal_axi_int_v1_hw(int irq, void *p)
1598 struct hisi_hba *hisi_hba = p;
1599 struct device *dev = hisi_hba->dev;
1600 u32 axi_int = hisi_sas_read32(hisi_hba, ENT_INT_SRC2);
1601 u32 axi_info = hisi_sas_read32(hisi_hba, HGC_AXI_FIFO_ERR_INFO);
1603 if (axi_int & ENT_INT_SRC2_DQ_CFG_ERR_MSK)
1604 panic("%s: Fatal DQ_CFG_ERR interrupt (0x%x)\n",
1605 dev_name(dev), axi_info);
1607 if (axi_int & ENT_INT_SRC2_CQ_CFG_ERR_MSK)
1608 panic("%s: Fatal CQ_CFG_ERR interrupt (0x%x)\n",
1609 dev_name(dev), axi_info);
1611 if (axi_int & ENT_INT_SRC2_AXI_WRONG_INT_MSK)
1612 panic("%s: Fatal AXI_WRONG_INT interrupt (0x%x)\n",
1613 dev_name(dev), axi_info);
1615 if (axi_int & ENT_INT_SRC2_AXI_OVERLF_INT_MSK)
1616 panic("%s: Fatal AXI_OVERLF_INT incorrect interrupt (0x%x)\n",
1617 dev_name(dev), axi_info);
1619 hisi_sas_write32(hisi_hba, ENT_INT_SRC2, axi_int | 0x30000000);
1624 static irq_handler_t phy_interrupts[HISI_SAS_PHY_INT_NR] = {
1630 static irq_handler_t fatal_interrupts[HISI_SAS_MAX_QUEUES] = {
1631 fatal_ecc_int_v1_hw,
1635 static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
1637 struct platform_device *pdev = hisi_hba->platform_dev;
1638 struct device *dev = &pdev->dev;
1639 int i, j, irq, rc, idx;
1641 for (i = 0; i < hisi_hba->n_phy; i++) {
1642 struct hisi_sas_phy *phy = &hisi_hba->phy[i];
1644 idx = i * HISI_SAS_PHY_INT_NR;
1645 for (j = 0; j < HISI_SAS_PHY_INT_NR; j++, idx++) {
1646 irq = platform_get_irq(pdev, idx);
1648 dev_err(dev, "irq init: fail map phy interrupt %d\n",
1653 rc = devm_request_irq(dev, irq, phy_interrupts[j], 0,
1654 DRV_NAME " phy", phy);
1656 dev_err(dev, "irq init: could not request phy interrupt %d, rc=%d\n",
1663 idx = hisi_hba->n_phy * HISI_SAS_PHY_INT_NR;
1664 for (i = 0; i < hisi_hba->queue_count; i++, idx++) {
1665 irq = platform_get_irq(pdev, idx);
1667 dev_err(dev, "irq init: could not map cq interrupt %d\n",
1672 rc = devm_request_irq(dev, irq, cq_interrupt_v1_hw, 0,
1673 DRV_NAME " cq", &hisi_hba->cq[i]);
1675 dev_err(dev, "irq init: could not request cq interrupt %d, rc=%d\n",
1681 idx = (hisi_hba->n_phy * HISI_SAS_PHY_INT_NR) + hisi_hba->queue_count;
1682 for (i = 0; i < HISI_SAS_FATAL_INT_NR; i++, idx++) {
1683 irq = platform_get_irq(pdev, idx);
1685 dev_err(dev, "irq init: could not map fatal interrupt %d\n",
1690 rc = devm_request_irq(dev, irq, fatal_interrupts[i], 0,
1691 DRV_NAME " fatal", hisi_hba);
1693 dev_err(dev, "irq init: could not request fatal interrupt %d, rc=%d\n",
1699 hisi_hba->cq_nvecs = hisi_hba->queue_count;
1704 static int interrupt_openall_v1_hw(struct hisi_hba *hisi_hba)
1709 for (i = 0; i < hisi_hba->n_phy; i++) {
1710 /* Clear interrupt status */
1711 val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT0);
1712 hisi_sas_phy_write32(hisi_hba, i, CHL_INT0, val);
1713 val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT1);
1714 hisi_sas_phy_write32(hisi_hba, i, CHL_INT1, val);
1715 val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT2);
1716 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2, val);
1718 /* Unmask interrupt */
1719 hisi_sas_phy_write32(hisi_hba, i, CHL_INT0_MSK, 0x3ce3ee);
1720 hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0x17fff);
1721 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x8000012a);
1723 /* bypass chip bug mask abnormal intr */
1724 hisi_sas_phy_write32(hisi_hba, i, CHL_INT0_MSK,
1725 0x3fffff & ~CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK);
1731 static int hisi_sas_v1_init(struct hisi_hba *hisi_hba)
1735 rc = hw_init_v1_hw(hisi_hba);
1739 rc = interrupt_init_v1_hw(hisi_hba);
1743 rc = interrupt_openall_v1_hw(hisi_hba);
1750 static struct device_attribute *host_attrs_v1_hw[] = {
1751 &dev_attr_phy_event_threshold,
1755 static struct scsi_host_template sht_v1_hw = {
1757 .proc_name = DRV_NAME,
1758 .module = THIS_MODULE,
1759 .queuecommand = sas_queuecommand,
1760 .dma_need_drain = ata_scsi_dma_need_drain,
1761 .target_alloc = sas_target_alloc,
1762 .slave_configure = hisi_sas_slave_configure,
1763 .scan_finished = hisi_sas_scan_finished,
1764 .scan_start = hisi_sas_scan_start,
1765 .change_queue_depth = sas_change_queue_depth,
1766 .bios_param = sas_bios_param,
1768 .sg_tablesize = HISI_SAS_SGE_PAGE_CNT,
1769 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
1770 .eh_device_reset_handler = sas_eh_device_reset_handler,
1771 .eh_target_reset_handler = sas_eh_target_reset_handler,
1772 .slave_alloc = sas_slave_alloc,
1773 .target_destroy = sas_target_destroy,
1775 #ifdef CONFIG_COMPAT
1776 .compat_ioctl = sas_ioctl,
1778 .shost_attrs = host_attrs_v1_hw,
1779 .host_reset = hisi_sas_host_reset,
1782 static const struct hisi_sas_hw hisi_sas_v1_hw = {
1783 .hw_init = hisi_sas_v1_init,
1784 .setup_itct = setup_itct_v1_hw,
1785 .sl_notify_ssp = sl_notify_ssp_v1_hw,
1786 .clear_itct = clear_itct_v1_hw,
1787 .prep_smp = prep_smp_v1_hw,
1788 .prep_ssp = prep_ssp_v1_hw,
1789 .start_delivery = start_delivery_v1_hw,
1790 .phys_init = phys_init_v1_hw,
1791 .phy_start = start_phy_v1_hw,
1792 .phy_disable = disable_phy_v1_hw,
1793 .phy_hard_reset = phy_hard_reset_v1_hw,
1794 .phy_set_linkrate = phy_set_linkrate_v1_hw,
1795 .phy_get_max_linkrate = phy_get_max_linkrate_v1_hw,
1796 .get_wideport_bitmap = get_wideport_bitmap_v1_hw,
1797 .complete_hdr_size = sizeof(struct hisi_sas_complete_v1_hdr),
1801 static int hisi_sas_v1_probe(struct platform_device *pdev)
1803 return hisi_sas_probe(pdev, &hisi_sas_v1_hw);
1806 static int hisi_sas_v1_remove(struct platform_device *pdev)
1808 return hisi_sas_remove(pdev);
1811 static const struct of_device_id sas_v1_of_match[] = {
1812 { .compatible = "hisilicon,hip05-sas-v1",},
1815 MODULE_DEVICE_TABLE(of, sas_v1_of_match);
1817 static const struct acpi_device_id sas_v1_acpi_match[] = {
1822 MODULE_DEVICE_TABLE(acpi, sas_v1_acpi_match);
1824 static struct platform_driver hisi_sas_v1_driver = {
1825 .probe = hisi_sas_v1_probe,
1826 .remove = hisi_sas_v1_remove,
1829 .of_match_table = sas_v1_of_match,
1830 .acpi_match_table = ACPI_PTR(sas_v1_acpi_match),
1834 module_platform_driver(hisi_sas_v1_driver);
1836 MODULE_LICENSE("GPL");
1837 MODULE_AUTHOR("John Garry <john.garry@huawei.com>");
1838 MODULE_DESCRIPTION("HISILICON SAS controller v1 hw driver");
1839 MODULE_ALIAS("platform:" DRV_NAME);